Capillary tube



FIG. 1 is a perspective view of a capillary tube showing my new design.

FIG. 2 is a side elevation view thereof;

FIG. 3 is a top plan view of the capillary tube shown in FIG. 1 showingmy new design.

FIG. 4 is a bottom plan view of the capillary tube shown in FIG. 1showing my new design.

FIG. 5 is a perspective view of another embodiment of a capillary tubeshowing my new design.

FIG. 6 is an elevation view of the capillary tube shown in FIG. 5showing my new design.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The features shown in broken lines depict environmental structure onlyand form no part of the claimed design.

CLAIM The ornamental design for a capillary tube, as shown and described. 